“Madam Secretary” starring Téa Leoni (Elizabeth McCord), Wallis Currie-Wood (Stephanie "Stevie" McCord), Tim Daly (Henry McCord), Kathrine Herzer (Alison McCord) and Bebe Neuwirth (Nadine Tolliver), will have an upcoming episode titled "On The Clock." It’s about Elizabeth giving peace talks between the prime ministers of Pakistan and India. Below is the latest “Madam Secretary” episode guide.

"Madam Secretary" Season 2 Spoiler alert: This update contains more "Madam Secretary" spoilers. Read on at your own risk if you have not watched the latest episode.

According to a press release from CBS, in "Madam Secretary" Season 2, episode 18, an airplane crashes as Elizabeth holds peace talks between the prime ministers of Pakistan and India. The mysterious plane crash will stall the negotiations between the two countries.

Meanwhile, Henry will try to help the National Security Agency (NSA) locate the terrorist Jibral Disah (Bobak Bakhtiari) by contacting a former teacher of one of Disah's wives to get information about him. Elizabeth will also be grilled by television anchor and journalist Jane Pauley in a grueling interview.

Zetna Fuentes directed the "On The Clock" episode while David Grae and Barbara Hall wrote it. The CBS show’s 18th episode will feature Sarita Choundhury (Prime Minister Jaya Verma), Laura Heisler (Dr. Suzan Simmons), Maury Ginsberg (Fr. Paul Swartzwelder), Dina Shihabi (Hijriyyah), Cathleen Trig (Anchor #1), Jimmy Palumbo (Earl), Waleed Zuaiter (Prime Minister Khoosat), Harriett D. Foy (Judge) and Kenneth Tigar (Dr. Stuart Bachman) as guest stars.

The rest of the “Madam Secretary” cast members including Patina Miller (Daisy Grant), Željko Ivanek (Russell Jackson), Erich Bergen (Blake Moran), Evan Roe (Jason McCord), Keith Carradine (President Conrad Dalton) and Geoffrey Arend (Matt Mahoney), will be seen in "On The Clock."

Kobi Libii (Oliver Shaw), Carlos Gómez (Jose Campos), Johanna Day (Ellen Hill), Clifton Davis (Ephraim Ware),  Jill Hennessy (Jane Fellows), Mandy Gonzales (Lucy Knox) and Jacqueline Antaramian (Laila Ayyad) will also make appearances in this episode.

“Madam Secretary” airs every Sunday from 8:00 pm to 9:00 pm ET/PT on the  CBS Television Network.